Ólöf Arnalds (born January 4th 1980) is an Icelandic singer/songwriter and indie musician who has been active within the Icelandic music scene for quite some time. She has released three albums to date and before launching her solo career she was a touring member of múm from 2003 for about 5 years. She has cooperated with bands and artists such as Björk, Stórsveit Nix Noltes, Mugison, Slowblow and Skúli Sverrisson. Between 1988 and 2002, Ólöf studied violin and classical singing, and in 2002-2006 she studied composition and new media at Iceland Academy of the Arts.

In 2007, her debut album Við Og Við was released by 12 Tónar. The album features a set of songs performed mostly in a traditional troubadour style.